More or less, once eggs are used, everyone throws the eggshells in the trash, throwing away an incredible resource.
Once used, try soaking them in hot water; once you try it, you’ll never stop.
How to Use Eggshells for Plants

Whether you’re preparing a fried or hard-boiled egg, it’s best not to throw the shell in the trash; with a simple, correct procedure, you can use it for plants.
